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Date: Fri, 26 Oct 2018 22:00:07 +0200
Message-ID: <CAGU04mLik3B+Nzr2P9_=wtcJtZYV423sh+fe2YOcA6jGRn54kQ@mail.gmail.com>
To: Arvids Godjuks <arvids.godjuks@gmail.com>
Cc: Kalle Sommer Nielsen <kalle@php.net>, Larry Garfield <larry@garfieldtech.com>, 
	PHP internals <internals@lists.php.net>
Content-Type: multipart/alternative; boundary="0000000000004b46700579272b7a"
Subject: Re: [PHP-DEV] Idea for better function callbacks (another syntactic sugar)
From: crocodile2u@gmail.com (Crocodile)

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Yeah, that was part of the idea, the other being to make these callbacks
semantically different from strings. Its just weird that a string is
callable, isn't it?

On Fri, Oct 26, 2018 at 6:03 PM Arvids Godjuks <arvids.godjuks@gmail.com>
wrote:

> =D0=BF=D1=82, 26 =D0=BE=D0=BA=D1=82. 2018 =D0=B3. =D0=B2 18:57, Kalle Som=
mer Nielsen <kalle@php.net>:
>
> > Den fre. 26. okt. 2018 kl. 17.43 skrev Larry Garfield <
> > larry@garfieldtech.com>:
> > > I believe the proposal for short lambas (which should get resurrected
> at
> > some
> > > point) would handle this case well enough as well as help a dozen oth=
er
> > > things.  To wit:
> > >
> > > array_filter($names, |$x| =3D=3D> trim($x))
> >
> > I still fail to see why it would be considered to have that over a
> > perfectly encapsulted string for a callback, using a lambda/closure is
> > just an extra runtime call for syntax sugar, that seems poor in my
> > eyes.
> >
>
> Right click on `function::trim` - Find Usages. Basically allows to find a=
ll
> usages of a given function, including the callback usage.
>
> >
> > What would be ideal here, would be for functions to be first class
> > citizens in callback contexts, like in C to avoid the quotation,
> > however it clashes with constants. A hack you can do in userland could
> > be something like:
> >
> > const trim =3D 'trim';
> > array_filter($names, trim);
> >
> >
> >
> > --
> > regards,
> >
> > Kalle Sommer Nielsen
> > kalle@php.net
> >
> > --
> > PHP Internals - PHP Runtime Development Mailing List
> > To unsubscribe, visit: http://www.php.net/unsub.php
> >
> >
>
> --
> Arv=C4=ABds Godjuks
>
> +371 26 851 664 <+371%2026%20851%20664>
> arvids.godjuks@gmail.com
> Skype: psihius
> Telegram: @psihius https://t.me/psihius
>
--=20
Best regards,
Victor Bolshov

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